Cloud computing [Guest Editorial]

Cloud computing is a recent trend in information technology and networking that has the potential to change radically the way computer services are constructed, managed, and delivered. The key driving forces behind the emergence of cloud computing include the overcapacity of today´s large corporate data centers, the ubiquity of broadband and wireless networking, the falling cost of storage, and progressive improvements in networking technologies. Cloud computing opens new perspectives with profound implications in the area of communication networks, raising new issues in their architecture, design, and implementation.